LIME-SAND BRICK FABRICATION PROCESS USING HIGH-CALCIUM ASHES FROM HEAT-AND-POWER STATIONS Russian patent published in 2002 - IPC

Abstract RU 2182891 C2

FIELD: manufacture of building materials. SUBSTANCE: process involves addition and mixing of components, grinding of binder with simultaneous addition above-mentioned ashes, preparation and compaction of silicate mass. During grinding, ashes are added with basicity coefficient higher than 0.7 and content of tempered free lime is superior to 1.4. while ashes with basicity coefficient below 0.7 and content of tempered free lime below 1.4 is added to silicate mass before compaction. EFFECT: enhanced process efficiency and stabilized strength, frost resistance, and linear dimensions. 1 tbl

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RU 2 182 891 C2

Authors

Ovcharenko G.I.

Frantsen V.B.

Dates

2002-05-27—Published

2000-04-25—Filed